git: f69320cde430 - main - www/ungoogled-chromium: Fix build with rust 1.89.0

The branch main has been updated by mikael:

URL: https://cgit.FreeBSD.org/ports/commit/?id=f69320cde4307cf56edae4d2c25d2762062a63c3

commit f69320cde4307cf56edae4d2c25d2762062a63c3
Author:     Mikael Urankar <mikael@FreeBSD.org>
AuthorDate: 2025-08-31 09:39:40 +0000
Commit:     Mikael Urankar <mikael@FreeBSD.org>
CommitDate: 2025-09-01 08:24:04 +0000

    www/ungoogled-chromium: Fix build with rust 1.89.0
    
    error:
    ld.lld: error: undefined symbol: __rustc::__rust_no_alloc_shim_is_unstable_v2
    
    PR:             288923
    
    Approved by:    portmgr (build fix blanket)
---
 .../files/patch-build_rust_allocator_lib.rs             | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/www/ungoogled-chromium/files/patch-build_rust_allocator_lib.rs b/www/ungoogled-chromium/files/patch-build_rust_allocator_lib.rs
new file mode 100644
index 000000000000..508b657a5761
--- /dev/null
+++ b/www/ungoogled-chromium/files/patch-build_rust_allocator_lib.rs
@@ -0,0 +1,17 @@
+https://chromium.googlesource.com/chromium/src/+/8393b61ba876c8e1614275c97767f9b06b889f48
+https://chromium.googlesource.com/chromium/src/+/6aae0e2353c857d98980ff677bf304288d7c58de
+
+--- build/rust/allocator/lib.rs.orig	2025-06-18 14:17:42.000000000 +0200
++++ build/rust/allocator/lib.rs	2025-08-24 10:57:12.002293000 +0200
+@@ -89,9 +89,8 @@ mod both_allocators {
+     /// As part of rustc's contract for using `#[global_allocator]` without
+     /// rustc-generated shims we must define this symbol, since we are opting in
+     /// to unstable functionality. See https://github.com/rust-lang/rust/issues/123015
+-    #[no_mangle]
+-    #[linkage = "weak"]
+-    static __rust_no_alloc_shim_is_unstable: u8 = 0;
++    #[rustc_std_internal_symbol]
++    fn __rust_no_alloc_shim_is_unstable_v2() {}
+ 
+     // Mangle the symbol name as rustc expects.
+     #[rustc_std_internal_symbol]